package com.main.sales.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.main.sales.common.R;
import com.main.sales.pojo.Employee;
import com.main.sales.service.EmployeeService;
import lombok.extern.slf4j.Slf4j;
import org.apache.logging.log4j.util.Strings;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.util.DigestUtils;
import org.springframework.web.bind.annotation.*;

import javax.servlet.http.HttpServletRequest;
import java.time.LocalDateTime;

/**
 * 员工管理
 */
@Slf4j
@RestController
@RequestMapping("employee")
public class EmployeeController {
    @Autowired
    private EmployeeService employeeService;

    /**
     * 员工登录
     *
     * @param request
     * @param employee
     * @return
     */
    @PostMapping("/login")
    public R<Employee> login(HttpServletRequest request, @RequestBody Employee employee) {
        //1、将页面提交的密码password进行md5加密处理
        String password = employee.getPassword();
        password = DigestUtils.md5DigestAsHex(password.getBytes());
        //2、根据页面提交的用户名username查询数据库
        LambdaQueryWrapper<Employee> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.eq(Employee::getUsername, employee.getUsername());
//        queryWrapper.like(Employee::getUsername, employee.getUsername());
        Employee emp = employeeService.getOne(queryWrapper);
        //3、如果没有查询到则返回登录失败结果
        if (emp == null) {
            return R.error("登陆失败");
        }
        //4、密码比对，如果不一致则返回登录失败结果
        if (!emp.getPassword().equals(password)) {
            return R.error("登陆失败");
        }
        //5、查看员工状态，如果为已禁用状态，则返回员工已禁用结果
        if (emp.getStatus() == 0) {
            return R.error("账号被禁用");
        }
        //6、登录成功，将员工id存入Session并返回登录成功结果
        request.getSession().setAttribute("employee", emp.getId());
        return R.success(emp);
    }

    /**
     * 员工退出
     *
     * @param request
     */
    @PostMapping("/logout")
    public R<String> logout(HttpServletRequest request) {
        /*清理Session中保存的当前登录员工的id*/
        request.getSession().removeAttribute("employee");
        return R.success("退出成功");
    }

    /**
     * 新增员工
     *
     * @param employee
     * @return
     */
    @PostMapping
    public R<String> save(HttpServletRequest request, @RequestBody Employee employee) {
        log.info("新增员工信息{}", employee);
        //设置初始密码12345，加密处理
        employee.setPassword(DigestUtils.md5DigestAsHex("123456".getBytes()));

/*        //employee.setCreateTime(LocalDateTime.now());
        //employee.setUpdateTime(LocalDateTime.now());


        //获取当前用户的id
        //Long employee1 = (Long) request.getSession().getAttribute("employee");

        //employee.setCreateUser(employee1);
        //employee.setUpdateUser(employee1);*/

        employeeService.save(employee);
        return R.success("新增员工成功");
    }

    /**
     * 员工分页信息查询
     *
     * @param page
     * @param pageSize
     * @param name
     * @return
     */
    @GetMapping("/page")
    public R<Page<Employee>> getPage(int page, int pageSize, String name) {
        log.info("page={},pageSize={},name={}", page, pageSize, name);
        //构造分页构造器
        Page<Employee> pageInfo = new Page<>(page, pageSize);
        //构造条件构造器
        LambdaQueryWrapper<Employee> lqw = new LambdaQueryWrapper<>();
        //添加过滤条件
        lqw.like(Strings.isNotEmpty(name), Employee::getName, name);
        //添加排序条件
        lqw.orderByDesc(Employee::getUpdateTime);
        //执行查询
        employeeService.page(pageInfo, lqw);
        return R.success(pageInfo);
    }

    /**
     * 根据id更改员工信息
     *
     * @param employee
     * @return
     */
    @PutMapping
    public R<String> update(HttpServletRequest request, @RequestBody Employee employee) {
        log.info("修改状态" + employee.toString());

        long id = Thread.currentThread().getId();
        log.info("线程id为：{}", id);
/*        //employee.setUpdateTime(LocalDateTime.now());
        //employee.setUpdateUser((Long) request.getSession().getAttribute("employee"));*/
        employeeService.updateById(employee);

        return R.success("员工信息修改成功");
    }

    /**
     * 根据id查询员工信息
     *
     * @param id
     * @return
     */
    @GetMapping("/{id}")
    public R<Employee> getById(@PathVariable Long id) {
        log.info("根据id查询员工信息");
        Employee byId = employeeService.getById(id);
        if (byId != null)
            return R.success(byId);

        return R.error("没有查询到对应员工信息");
    }
}
